简便计算123.4×1.234+24.68×43.83

分类: 作业答案 • 2021-12-28 16:55:07

问题描述：

答

123.4×1.234+24.68×43.83 =123.4×1.234+123.4×0.2×43.83 =123.4×1.234+123.4×8.766 =123.4×(1.234+8.766) =123.4×10 =1234